This is another tool which can be used in flashing our MediaTek MTK devices. It works basically like SP Flash Tool but can read scatter files which are either in .txt or .sca format.
Has multi port option which can flash many similar devices at same time.
OK now lets go to how to use WiseLinkTool

Download WiseLinkTool v4.1.0.39 or WiseLinkTool v4.6.4.44
Download and install MTK USB VCOM drivers from here or here orhere
Extract, install and launch by opening WiseLinkTool.exe inside installation folder
Click on Open RegCode File Navigate and select  ZZZZZZZZZZZZZZZZZZZZZZZZ.key from extract folder
Click OK

Now Click on the button with ... to load scatter file (Scatter files can either be in .txt or .sca format)
Navigate and select the scatter file of the device you want to flash/unbrick or upgrade.
Tick the required partition to flash (Tick all for complete flash or upgrade)
Click Download Button and connect phone to PC

When process is complete,the phone will reboot or start charging depending on the option selected After Downloaded Tab.
Note that first boot after flash 
Congrats! you have successfully flashed your device

Common Errors after flashing a device
If you have null or invalid imei number after flash, restore with mtk engineering mode app, chamelephon, SN Write Tool or mtk droid tools
If device bootloops after flash process, do a factory reset from recovery.
If screen of device divides/displays funny colours when boot up, use another ROM or Firmware

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MultiPortDownload Tool

How to flash/unbrick MTK smart phones using MultiPortDownload Tool

Multiport Download Tool (MDT) is just another great alternative tool used for flashing MTK smart phones. Follow the steps below and learn how to use Multiport Download Tool to flash or unbrick MTK devices.

we takes no take responsibility on whatever may happen to your device.

Do at this your own risk

Download MultiportDownloadTool for smart phones from here (Latest version preferable)

Download and install smart phone drivers from here

Extract the MultiportDownloadTool you downloaded

Launch SPMultiPortFlashDownloadProject.exe

If you get a pop up showing Fail (its because the DA file has not been loaded),

Just click OK

To load DA file, click on File and select Open Download Agent Filethen navigate to the folder of MultiportDownloadTool and selectMTK_AllInOne_DA.bin

Click Scatter file button

Navigate to the folder containing the ROM 

Select the scatter file found inside (eg. MT6582_Andriod_scatter)

Under DA Download All Section,

Tick high speed and Auto detect

Open Device Manager by clicking on Help and select Device Manager

Double Click on Ports (COM & LPT)

Connect the device you want to flash

Note the COM Port number

Disconnect the device

On some versions of MultiportDownloadTool , all you need is to click Scan button and connect the device.The COM port will be detected automatically.

Go back to MultiportDownloadTool and tick the COM Port noted

Click Start button on the corresponding port number ticked.

Now connect the device with battery inserted.

Flash process begins when you see a yellow progress bar

The process is complete when you see DL OK and 100% in the progress bar.

Check out the screen shots of the full procedure on how to use sp multi port download tool below

ERRORS!!

If you see a pop up showing FAIL with Cannot find CheckSum.ini file.....  after clicking Start button,

Download CheckSum_Gen.exe from here

Copy it to the folder containing the scatter file

Launch CheckSum_Gen.exe 

Wait for the process to complete and he CheckSum.ini file (process takes about 30seconds)

You can now click Start button to flash your device.

Crdt: #romkingz.net